ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,718,675, issued on Aug. 25, was assigned to T-Mobile Innovations LLC (Overland Park, Kan.).

"Methods and systems of dual-domain based tag location detection in an inventory environment" was invented by Lyle Bertz (Lee's Summit, Mo.), Robert Butler (Overland Park, Kan.) and Zheng Fang (Mclean, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method comprises determining, by an application, a current variance between a reference tag location of a reference tag and an active tag location of an active tag based on a response signal received from the active tag and an image depicting a light-emitting diode (LED) on the reference tag, comparing, by the ap...